diff --git a/nodes.py b/nodes.py
index e1b90ba..5a57a5c 100644
--- a/nodes.py
+++ b/nodes.py
@@ -57,6 +57,9 @@ class DownloadAndLoadCogVideoModel:
         offload_device = mm.unet_offload_device()
         mm.soft_empty_cache()
 
+        if "I2V" in model and fp8_transformer != "disabled":
+            raise NotImplementedError("fp8_transformer is not implemented yet for I2V -model")
+
         dtype = {"bf16": torch.bfloat16, "fp16": torch.float16, "fp32": torch.float32}[precision]
 
         if "Fun" in model: